:root {
  --navy: #06224a;
  --navy-2: #0a3a78;
  --blue: #0b63e5;
  --gold: #b88931;
  --gold-2: #dfbd75;
  --sky: #eef6ff;
  --text: #17233b;
  --muted: #607089;
  --white: #ffffff;
  --line: rgba(8, 43, 90, 0.12);
  --shadow: 0 22px 60px rgba(0, 34, 80, 0.16);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--text);
  background: var(--sky);
}
a { color: inherit; }
img { max-width: 100%; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  width: 46px;
  height: 52px;
  border-radius: 14px 14px 18px 18px;
  background: linear-gradient(145deg, var(--navy), var(--blue));
  color: var(--white);
  display: grid;
  place-items: center;
  box-shadow: 0 12px 26px rgba(6, 34, 74, 0.25);
  border: 2px solid rgba(184, 137, 49, 0.5);
}
.brand-mark span { font-weight: 900; letter-spacing: -1px; }
.brand-text { display: grid; }
.brand-text strong { color: var(--navy); font-size: 18px; letter-spacing: 1px; }
.brand-text small { color: var(--muted); font-family: Arial, sans-serif; font-size: 12px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-family: Arial, sans-serif;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.site-nav a { text-decoration: none; color: var(--navy); opacity: 0.82; }
.site-nav a:hover { opacity: 1; color: var(--blue); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 12px;
  background: var(--navy);
  padding: 10px;
  cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--white); margin: 5px 0; }

.hero {
  position: relative;
  min-height: 840px;
  padding: 150px 0 90px;
  overflow: hidden;
  background:
    linear-gradient(110deg, rgba(238, 246, 255, 0.97) 0%, rgba(238, 246, 255, 0.88) 42%, rgba(238, 246, 255, 0.72) 100%),
    radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0) 28%),
    linear-gradient(180deg, #eaf4ff, #f7fbff);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 70px -10% auto -10%;
  height: 540px;
  background:
    radial-gradient(circle at 50% 30%, rgba(15, 95, 180, 0.20), rgba(15, 95, 180, 0) 55%),
    linear-gradient(45deg, transparent 48%, rgba(184, 137, 49, 0.22) 49%, transparent 51%),
    linear-gradient(-20deg, transparent 48%, rgba(11, 99, 229, 0.12) 49%, transparent 51%);
  border-radius: 0 0 50% 50%;
  transform: rotate(-4deg);
  opacity: 0.9;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  right: -160px;
  top: 120px;
  width: 760px;
  height: 760px;
  border-radius: 50%;
  border: 1px solid rgba(6, 34, 74, 0.12);
  box-shadow: inset 0 0 0 35px rgba(255, 255, 255, 0.25), inset 0 0 0 70px rgba(11, 99, 229, 0.05);
  pointer-events: none;
}
.hero-bg-lines {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(25deg, transparent 20%, rgba(184, 137, 49, 0.20) 21%, transparent 22%),
    linear-gradient(-30deg, transparent 56%, rgba(11, 99, 229, 0.16) 57%, transparent 58%),
    linear-gradient(8deg, transparent 72%, rgba(184, 137, 49, 0.22) 73%, transparent 74%);
  opacity: 0.9;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 46px;
}
.crest-card {
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px 10px 10px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 12px 32px rgba(6, 34, 74, 0.08);
  margin-bottom: 28px;
}
.crest-emblem {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--navy);
  color: var(--white);
  border: 3px solid var(--gold-2);
}
.crest-emblem span { font-family: Arial, sans-serif; font-size: 10px; font-weight: 900; }
.crest-card p { margin: 0; color: var(--navy); font-family: Arial, sans-serif; font-size: 13px; font-weight: 800; }

.eyebrow, .section-label {
  margin: 0 0 12px;
  color: var(--gold);
  font-family: Arial, sans-serif;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1.6px;
}
.hero h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(52px, 8vw, 108px);
  line-height: 0.9;
  letter-spacing: -3px;
  text-transform: uppercase;
}
.hero h1 span {
  display: block;
  font-size: clamp(28px, 4.5vw, 58px);
  letter-spacing: 1px;
  font-weight: 400;
}
.theme-box {
  margin-top: 28px;
  padding: 22px 24px;
  border-left: 5px solid var(--gold);
  background: rgba(255, 255, 255, 0.72);
  border-radius: 16px;
  box-shadow: 0 16px 45px rgba(6, 34, 74, 0.08);
}
.theme-box span { display: block; color: var(--gold); font-family: Arial, sans-serif; font-weight: 900; margin-bottom: 8px; }
.theme-box strong { display: block; color: var(--navy); font-size: 24px; line-height: 1.25; }

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0;
}
.hero-meta div {
  padding: 15px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  border-radius: 16px;
  color: var(--navy);
  font-family: Arial, sans-serif;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 9px;
}
.hero-meta i { color: var(--blue); }

.hero-actions, .registration-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-family: Arial, sans-serif;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--navy-2));
  box-shadow: 0 14px 30px rgba(11, 99, 229, 0.25);
}
.btn-outline {
  color: var(--navy);
  border: 1px solid rgba(6, 34, 74, 0.22);
  background: rgba(255, 255, 255, 0.72);
}
.btn-outline.dark {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
}

.glass-card {
  position: relative;
  padding: 34px;
  border-radius: var(--radius);
  background: rgba(6, 34, 74, 0.86);
  color: var(--white);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.18);
  overflow: hidden;
}
.glass-card::before {
  content: "";
  position: absolute;
  inset: -80px -80px auto auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(184, 137, 49, 0.25);
}
.glass-card h2 { margin: 0 0 24px; font-size: 34px; }
.highlight-list { display: grid; gap: 16px; }
.highlight-item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.10);
}
.highlight-item i {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.16);
  color: var(--gold-2);
}
.highlight-item strong { display: block; font-size: 18px; margin-bottom: 5px; }
.highlight-item span { color: rgba(255, 255, 255, 0.76); font-family: Arial, sans-serif; font-size: 14px; line-height: 1.5; }
.price-card {
  margin-top: 24px;
  padding: 24px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: var(--navy);
}
.price-card span, .price-card small { display: block; font-family: Arial, sans-serif; font-weight: 800; }
.price-card strong { display: block; font-size: 38px; margin: 6px 0; }

.section { padding: 90px 0; background: var(--white); }
.intro-section { border-top: 1px solid var(--line); }
.two-col { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 58px; align-items: start; }
.section h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1;
  letter-spacing: -1.6px;
}
.lead-copy p, .section-heading p, .registration-copy p {
  color: var(--muted);
  font-family: Arial, sans-serif;
  font-size: 17px;
  line-height: 1.8;
}
.theme-section, .speakers-section, .faq-section { background: #f6fbff; }
.section-heading { max-width: 720px; margin-bottom: 42px; }
.section-heading.centered { text-align: center; margin-left: auto; margin-right: auto; }

.feature-grid, .speaker-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card, .speaker-card, .registration-card {
  padding: 30px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 16px 38px rgba(6, 34, 74, 0.08);
}
.feature-card i {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: rgba(11, 99, 229, 0.10);
  color: var(--blue);
  font-size: 22px;
  margin-bottom: 20px;
}
.feature-card h3, .timeline-item h3, .speaker-card h3, .registration-card h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 22px;
}
.feature-card p, .timeline-item p, .speaker-card p, .registration-card li, .faq-list p {
  color: var(--muted);
  font-family: Arial, sans-serif;
  line-height: 1.65;
}

.programme-section { background: var(--white); }
.timeline { display: grid; gap: 18px; }
.timeline-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(90deg, rgba(11, 99, 229, 0.06), rgba(255, 255, 255, 1));
}
.timeline-item > span { color: var(--gold); font-family: Arial, sans-serif; font-weight: 900; font-size: 18px; }

.speaker-card { text-align: center; }
.speaker-avatar {
  width: 92px;
  height: 92px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: var(--white);
  font-size: 28px;
  box-shadow: 0 14px 30px rgba(11, 99, 229, 0.22);
}
.speaker-card span {
  display: inline-flex;
  margin-top: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(184, 137, 49, 0.12);
  color: var(--gold);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.registration-section {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(6, 34, 74, 0.96), rgba(10, 58, 120, 0.94)),
    radial-gradient(circle at 85% 20%, rgba(184, 137, 49, 0.35), rgba(184, 137, 49, 0) 30%);
}
.registration-section h2, .registration-section .section-label { color: var(--white); }
.registration-copy p { color: rgba(255, 255, 255, 0.78); }
.registration-grid { display: grid; grid-template-columns: 1fr 430px; gap: 42px; align-items: center; }
.registration-card { color: var(--text); }
.big-price { margin: 14px 0 22px; color: var(--navy); font-size: 48px; font-weight: 900; }
.registration-card ul { padding: 0; margin: 0 0 24px; list-style: none; display: grid; gap: 12px; }
.registration-card li { display: flex; align-items: flex-start; gap: 10px; }
.registration-card i { color: var(--blue); margin-top: 4px; }
.bank-note { padding: 18px; border-radius: 16px; background: #f4f8ff; border: 1px solid var(--line); }
.bank-note span, .bank-note strong { display: block; }
.bank-note span { color: var(--muted); font-family: Arial, sans-serif; font-size: 13px; margin-bottom: 6px; }
.bank-note strong { color: var(--navy); }

.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
details {
  padding: 22px 24px;
  border-radius: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(6, 34, 74, 0.06);
}
summary { cursor: pointer; color: var(--navy); font-size: 18px; font-weight: 900; }

.site-footer { padding: 70px 0 24px; background: #051a38; color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1fr 0.85fr; gap: 40px; align-items: start; }
.site-footer h2 { margin: 0 0 12px; font-size: 32px; }
.site-footer p { color: rgba(255, 255, 255, 0.70); font-family: Arial, sans-serif; line-height: 1.7; }
.footer-contact { display: grid; gap: 12px; }
.footer-contact a { display: flex; align-items: center; gap: 10px; color: var(--white); text-decoration: none; font-family: Arial, sans-serif; font-weight: 800; }
.footer-contact i { color: var(--gold-2); }
.footer-bottom {
  margin-top: 46px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-family: Arial, sans-serif;
}
.footer-bottom a { color: var(--gold-2); text-decoration: none; font-weight: 900; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .site-nav {
    position: fixed;
    top: 76px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border-radius: 18px;
    background: var(--white);
    box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: flex; }
  .nav-toggle { display: block; }
  .hero-inner, .two-col, .registration-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 130px; }
  .hero-meta, .feature-grid, .speaker-grid { grid-template-columns: 1fr; }
  .registration-card { max-width: 520px; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1180px); }
  .hero { min-height: auto; padding-bottom: 60px; }
  .hero h1 { letter-spacing: -1.5px; }
  .theme-box strong { font-size: 20px; }
  .timeline-item { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}